Pin buckle for watch



FIG. 1 is a perspective view of a pin buckle for watch according to my new design;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is first end view thereof;

FIG. 5 is a second end view thereof;

FIG. 6 is a first side view thereof; and,

FIG. 7 is a second side view thereof. 

CLAIM The ornamental design for a pin buckle for watch, as shown and described. 